(19)

(11)

EP 1 714 041 A2

(12)

(43) Date of publication: 25.10.2006 Bulletin 2006/43 (21) Application number: 04764152.7 (22) Date of filing: 16.08.2004

(51) International Patent Classification (IPC):  F15D 1/12(2006.01) B63H 1/18(2006.01) (86) International application number: PCT/EP2004/009160 (87) International publication number: WO 2005/075838 (18.08.2005 Gazette 2005/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 09.02.2004 US 542292 P (71) Applicant: PAUL SCHERRER INSTITUT 5232 Villigen PSI (CH)	(72) Inventor: THOMSEN, Knud CH-5322 Koblenz (CH) (74) Representative: Fischer, Michael et al Siemens AG, Postfach 22 16 34 80506 München 80506 München (DE)